Properties of the Number 70045

Seventy Thousand Forty-Five

Basics

Value: 70044 → 70045 → 70046

Parity: odd

Prime: No

Previous Prime: 70039

Next Prime: 70051

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 14009

Divisors: 1, 5, 14009, 70045

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001000110011101

Octal: 210635

Duodecimal: 34651

Hexadecimal: 1119d

Square: 4906302025

Square Root: 264.66015944981217

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of tilings of a 5 X n rectangle using n pentominoes of shapes L, U, X. A247125

a(n) = floor(A093456(n+1)/A093456(n)). A93455

Cumulative sum of primes p such that 2^p - 1 is a Mersenne prime. A109472

Array read by ascending antidiagonals: A(n,k) = n! * [xⁿ] 1/(1 - x·exp(x))^k. A380841

a(n) = n!*∑_k=0..n bell(k+1)/k!, n=0,1..., where bell(n) are the Bell numbers, cf. A000110. A113060

Main diagonal of the array A380841. A380842

Primes of the form ceiling(k¹.5) for some integer k. A70045

Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..1 nX6 array. A217980